plugin/template: fix rcode option documentation (#5328)

* docs: fix incorrect default rcode value, and reference source for valid values

Signed-off-by: Chris O'Haver <cohaver@infoblox.com>
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Chris O'Haver 2022-04-23 16:51:56 -04:00 committed by GitHub
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@ -27,7 +27,8 @@ template CLASS TYPE [ZONE...] {
* **REGEX** [Go regexp](https://golang.org/pkg/regexp/) that are matched against the incoming question name. Specifying no regex matches everything (default: `.*`). First matching regex wins. * **REGEX** [Go regexp](https://golang.org/pkg/regexp/) that are matched against the incoming question name. Specifying no regex matches everything (default: `.*`). First matching regex wins.
* `answer|additional|authority` **RR** A [RFC 1035](https://tools.ietf.org/html/rfc1035#section-5) style resource record fragment * `answer|additional|authority` **RR** A [RFC 1035](https://tools.ietf.org/html/rfc1035#section-5) style resource record fragment
built by a [Go template](https://golang.org/pkg/text/template/) that contains the reply. built by a [Go template](https://golang.org/pkg/text/template/) that contains the reply.
* `rcode` **CODE** A response code (`NXDOMAIN, SERVFAIL, ...`). The default is `SUCCESS`. * `rcode` **CODE** A response code (`NXDOMAIN, SERVFAIL, ...`). The default is `NOERROR`. Valid response code values are
per the `RcodeToString` map defined by the `miekg/dns` package in `msg.go`.
* `fallthrough` Continue with the next plugin if the zone matched but no regex matched. * `fallthrough` Continue with the next plugin if the zone matched but no regex matched.
If specific zones are listed (for example `in-addr.arpa` and `ip6.arpa`), then only queries for If specific zones are listed (for example `in-addr.arpa` and `ip6.arpa`), then only queries for
those zones will be subject to fallthrough. those zones will be subject to fallthrough.